Explain fenestrated capillaries
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Explanation:
1) Fenestrated capillarie are "leakier" than continues capillaries. They contain small pores, in addition to small gaps between cells, in their walls that allow for the exchange of larger molecules.
2) This type of capillary is found in areas that require a lot of exchange be your blood and tissues..
Please refer to the attachments for diagrams and detailed information..
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here is your answer mate
Fenestrated capillaries
photo of glomerulus
This H&E stained picture shows the convoluted mass of fenestrated capillaries found in a kidney glomerulus.
These are found in some tissues where there is extensive molecular exchange with the blood such as the small intestine, endocrine glands and the kidney. The 'fenestrations' are pores that will allow larger molecules though.
These capillaries are more permeable than continuous capillaries.
The transmission and scanning electron microscopes below show pores (fenestrae) in the capillary wall of the kidney glomeruli that are not resolved by the light microscope.
At high magnification, the fenestrations of the endothelial cell can be seen as 'gaps' next the the basement membrane (F) in the picture below.
The red arrows represent the 'podocytes' - foot processes from podocyte (epithelial) cells in the kidney glomerulus.
photo (EM) of fenestrated
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